Home / 7,137.29-9,852.77-4,152.04

Finding the Fourth Proportional to 7,137.29, 9,852.77 and 4,152.04

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Solution

The fourth proportional to 7,137.29, 9,852.77 and 4,152.04 is: 5,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.29 : 9,852.77 = 4,152.04 : x
  2. Step 2: Convert to fraction form
    7,137.29/9,852.77 = 4,152.04/x
  3. Step 3: Cross multiply
    7,137.29x = 9,852.77 × 4,152.04
  4. Step 4: Simplify right side
    7,137.29x = 40,909,095.15
  5. Step 5: Solve for x
    x = 40,909,095.15/7,137.29
  6. Step 6: Final answer
    x = 5,731.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.